11312590 has 8 divisors (see below), whose sum is σ = 20362680. Its totient is φ = 4525032.

The previous prime is 11312557. The next prime is 11312603. The reversal of 11312590 is 9521311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565620 + ... + 565639.

It is an arithmetic number, because the mean of its divisors is an integer number (2545335).

Almost surely, 2^11312590 is an apocalyptic number.

11312590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312590 is a deficient number, since it is larger than the sum of its proper divisors (9050090).

11312590 is a wasteful number, since it uses less digits than its factorization.

11312590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131266.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11312590 is about 3363.4193910364. The cubic root of 11312590 is about 224.4850114745.

It can be divided in two parts, 1131 and 2590, that added together give a square (3721 = 61²).

The spelling of 11312590 in words is "eleven million, three hundred twelve thousand, five hundred ninety".